The above Royal Mail Species at Risk stamps were issued on 20 May 1986 by Royal Mail and feature the following stamp designs:
17p Barn Owl; 22p Pine Marten; 31p Wild Cat; 34p Natterjack Toad. The Barn Owl first day cover with the
Owlsmoor, Barn Owls,
Special Handstamp
postmark
has been produced by Mercury
and features these stamps which can make a very collectible and lovely gift.